TJA1020U LIN transceiver_BDTIC代理TJA1020U

TJA1020U LIN transceiver

The TJA1020 is the interface between the LIN master/slave protocol controller and the physical bus in a Local Interconnect Network (LIN). It is primarily intended for in-vehicle sub-networks using baud rates from 2.4 up to 20 Kbaud.

The transmit data stream of the protocol controller at the TXD input is converted by the LIN transceiver into a bus signal with controlled slew rate and wave shaping to minimize EME. The LIN bus output pin is pulled HIGH via an internal termination resistor. For a master application an external resistor in series with a diode should be connected between pin INH or pin BAT and pin LIN. The receiver detects the data stream at the LIN bus input pin and transfers it via pin RXD to the microcontroller.

In normal transceiver operation the TJA1020 can be switched in the normal slope mode or the low slope mode. In the low slope mode the TJA1020 lengthens the rise and fall slopes of the LIN bus signal, thus further reducing the already very low emission in normal slope mode.

In sleep mode the power consumption of the TJA1020 is very low, whereas in failure modes the power consumption is reduced to a minimum

产品特点 Features

General

Baud rate up to 20 Kbaud
Very low ElectroMagnetic Emission (EME)
High ElectroMagnetic Immunity (EMI)
Low slope mode for an even further reduction of EME
Passive behaviour in unpowered state
Input levels compatible with 3.3 and 5 V devices
Integrated termination resistor for Local Interconnect Network (LIN) slave applications
Wake-up source recognition (local or remote)
Supports K-line like functions.

Low power management

Very low current consumption in sleep mode with local and remote wake-up.

Protections

Transmit data (TXD) dominant time-out function
Bus terminal and battery pin protected against transients in the automotive environment (ISO7637)
Bus terminal short-circuit proof to battery and ground
Thermally protected

功能框图

TJA1020U 技术支持

档案名称	标题	类型	格式
TJA1020U	LIN transceiver	Data sheet	pdf
AN10115	Philips Microcontrollers in LIN Applications	Application note	pdf
AN00093	TJA1020 LIN Transceiver	Application note	pdf
AN00094	TJA1041/1041A high speed CAN transceiver	Application note	pdf
AN00020	TJA1050 high speed CAN transceiver	Application note	pdf
AN10211	TJA1040 high speed CAN transceiver	Application note	pdf
AN96116	PCA82C250/251 CAN Transceiver	Application note	pdf
PCA82C250_251_TJA1040_TJA1050	Upgrading Note PCA82C250/251 -> TJA1040, TJA1050	Other type	pdf